31417464149 has 2 divisors, whose sum is σ = 31417464150. Its totient is φ = 31417464148.

The previous prime is 31417464137. The next prime is 31417464181. The reversal of 31417464149 is 94146471413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26794416100 + 4623048049 = 163690^2 + 67993^2 .

It is an emirp because it is prime and its reverse (94146471413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31417464149 - 2²⁸ = 31149028693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31417464109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15708732074 + 15708732075.

It is an arithmetic number, because the mean of its divisors is an integer number (15708732075).

Almost surely, 2^31417464149 is an apocalyptic number.

It is an amenable number.

31417464149 is a deficient number, since it is larger than the sum of its proper divisors (1).

31417464149 is an equidigital number, since it uses as much as digits as its factorization.

31417464149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The spelling of 31417464149 in words is "thirty-one billion, four hundred seventeen million, four hundred sixty-four thousand, one hundred forty-nine".